Hair brush



FIG. 1 is a perspective view of an embodiment of a new design showing a hair brush according to the present invention;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is an opposite side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design for the hair brush, as shown and described. 